[PATCH RFC 0/3] ACPI, clocksource: add GTDT and ARM memory-mapped timer support

Fu Wei fu.wei at linaro.org
Mon Nov 9 00:30:09 PST 2015


Hi all

On 28 October 2015 at 22:32,  <fu.wei at linaro.org> wrote:
> From: Fu Wei <fu.wei at linaro.org>
>
> This patchset:
>     (1)Introduce ACPI GTDT parser: drivers/acpi/gtdt.c
>     Parse all kinds of timer in GTDT table of ACPI:arch timer,
>     memory-mapped timer and SBSA Generic Watchdog timer.
>     This driver can help to simplify all the relevant timer drivers,
>     and separate all the ACPI GTDT knowledge from them.
>
>     (2)Simplify ACPI code for arch timer in arm_arch_timer.c
>
>     (3)Add memory-mapped timer support in arm_arch_timer.c
>
> [PATCH 2/3] and [PATCH 3/3] depend on a patchset
> [PATCH v2 0/5] ACPI probing infrastructure,
> https://lkml.org/lkml/2015/9/13/126, which has been accepted by upstream
> maintainer, and has been merged in linux-next.git, tag: next-20151013.

FYI: These dependent patches have been merged into master branch of
vanilla kernel
That means this patchset can be applied on mainline kernel.

>
> The SBSA Generic Watchdog info parsing support have been tested with
> a upstreaming SBSA Generic Watchdog driver:
> https://lkml.org/lkml/2015/10/27/466
> on the following platforms:
>     (1)ARM Foundation v8 model
>     (2)AMD Seattle platform
>
> ARM memory-mapped timer support of this patchset has been tested
> on the following platforms:
>     (1)ARM Foundation v8 model
>
> Changelog:
> v1: The first upstreaming version.
>
> Fu Wei (3):
>   ACPI: add GTDT table parse driver into ACPI driver
>   clocksource: simplify ACPI code in arm_arch_timer.c
>   clocksource: add memory-mapped timer support in arm_arch_timer.c
>
>  drivers/acpi/Kconfig                 |   9 +
>  drivers/acpi/Makefile                |   1 +
>  drivers/acpi/gtdt.c                  | 367 +++++++++++++++++++++++++++++++++++
>  drivers/clocksource/arm_arch_timer.c | 176 +++++++++++++----
>  include/clocksource/arm_arch_timer.h |  19 ++
>  include/linux/acpi.h                 |  17 ++
>  6 files changed, 554 insertions(+), 35 deletions(-)
>  create mode 100644 drivers/acpi/gtdt.c
>
> --
> 2.4.3
>



-- 
Best regards,

Fu Wei
Software Engineer
Red Hat Software (Beijing) Co.,Ltd.Shanghai Branch
Ph: +86 21 61221326(direct)
Ph: +86 186 2020 4684 (mobile)
Room 1512, Regus One Corporate Avenue,Level 15,
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